yeah it does take awhile for it to spool up... but let me tell you when it does... And plus... what this car was built for... You don't really go below 5k anyways. I want to sell the setup because i have another setup in mind for the future that i am beginning to put into the works. and Stang92, what i am going for ... will only be faster I might part out all the turbo stuff not sure... Still just kind of going around... I don't know of many people that would want just a plain d15b complete swap. So yeah.